Certificate Of Analysis
Product Name 2,5-Dihydroxy-1,4-benzenediacetic acid,
97%
Product Number D109207
Product Brand ALDRICH
CAS Number 5488-16-4
Molecular Formula (HO)2C6H2(CH2CO2H)2
Molecular Weight 226.18
 
TEST SPECIFICATION LOT 05121BW RESULTS
APPEARANCE WHITE TO OFF-WHITE POWDER OR CRYSTALS WHITE POWDER
MELTING POINT 235 DEGREES CELSIUS, DECOMPOSES
INFRARED SPECTRUM CONFORMS TO STRUCTURE. CONFORMS TO STRUCTURE AND STANDARD AS ILLUS-
  TRATED ON PAGE 171D OF EDITION I, VOLUME 2
  OF "THE ALDRICH LIBRARY OF FT-IR SPECTRA"
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
TITRATION 96.5%-103.5% (WITH NAOH) 100.3 % (WITH NAOH)